[    2.674469] ip (286) used greatest stack depth: 12360 bytes left
[    2.799616] ip (295) used greatest stack depth: 12344 bytes left
[   60.414053] netem: version 1.3
[   71.097858] ip (2659) used greatest stack depth: 12160 bytes left
[  279.114164] ip (4669) used greatest stack depth: 12064 bytes left
[  630.151905] tc (13805) used greatest stack depth: 11936 bytes left